The first section deals with Psychrometry for air conditioning and discusses some properties of moist air.
A simplified psychrometric chart is shown for familiarisation, and some examples of how to find air properties are provided.
A diagram of an air conditioning system is shown in schematic form in the section entitled AIR CONDITIONING PLANT FOR SUMMER & WINTER.
Before sizing takes place the student should also understand the processes that take place in air conditioning systems.
There are four basic processes for summer and winter air conditioning systems.
The following basic processes are explained: